package net.minecraft.entity.ai.attributes;

import io.netty.util.internal.ThreadLocalRandom;
import java.util.UUID;
import net.minecraft.util.MathHelper;
import org.apache.commons.lang3.Validate;

public class AttributeModifier {
	private final double amount;
	private final int operation;
	private final String name;
	private final UUID id;

	/**
	 * If false, this modifier is not saved in NBT. Used for "natural" modifiers
	 * like speed boost from sprinting
	 */
	private boolean isSaved;

	public AttributeModifier(String nameIn, double amountIn, int operationIn) {
		this(MathHelper.getRandomUuid(ThreadLocalRandom.current()), nameIn, amountIn, operationIn);
	}

	public AttributeModifier(UUID idIn, String nameIn, double amountIn, int operationIn) {
		this.isSaved = true;
		this.id = idIn;
		this.name = nameIn;
		this.amount = amountIn;
		this.operation = operationIn;
		Validate.notEmpty(nameIn, "Modifier name cannot be empty", new Object[0]);
		Validate.inclusiveBetween(0L, 2L, (long) operationIn, "Invalid operation");
	}

	public UUID getID() {
		return this.id;
	}

	public String getName() {
		return this.name;
	}

	public int getOperation() {
		return this.operation;
	}

	public double getAmount() {
		return this.amount;
	}

	/**
	 * @see #isSaved
	 */
	public boolean isSaved() {
		return this.isSaved;
	}

	/**
	 * @see #isSaved
	 */
	public AttributeModifier setSaved(boolean saved) {
		this.isSaved = saved;
		return this;
	}

	public boolean equals(Object p_equals_1_) {
		if (this == p_equals_1_) {
			return true;
		} else if (p_equals_1_ != null && this.getClass() == p_equals_1_.getClass()) {
			AttributeModifier attributemodifier = (AttributeModifier) p_equals_1_;

			if (this.id != null) {
				if (!this.id.equals(attributemodifier.id)) {
					return false;
				}
			} else if (attributemodifier.id != null) {
				return false;
			}

			return true;
		} else {
			return false;
		}
	}

	public int hashCode() {
		return this.id != null ? this.id.hashCode() : 0;
	}

	public String toString() {
		return "AttributeModifier{amount=" + this.amount + ", operation=" + this.operation + ", name=\'" + this.name
				+ '\'' + ", id=" + this.id + ", serialize=" + this.isSaved + '}';
	}
}
